Physician

Brian D Kastner, MD

According to 2025 Medicare claims, Brian Kastner, MD (NPI: 1396767752) practices radiation oncology in the Grand Rapids-Wyoming-Kentwood, MI market, with the plurality of this provider's patient population coming from Ottawa, MI. This provider's primary affiliated billing organization is RADIATION ONCOLOGY CENTERS PC (NPI: 1073610713; TIN: 383099662) and primary practice location at 49503-2562.

Kastner's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 263 traditional Medicare patients, billed 1,089 HCPCS/CPT codes, and received $70,153 in Medicare payments. The top billing code was 77427 (Radiation treatment management, 5 treatment sessions). Part D data shows 49 prescription claims across 32 beneficiaries totaling $1,256 in drug costs, led by Memantine Hcl (Memantine Hcl). No Open Payments records. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has fallen sharply in recent years, from $163,132 to $70,153. Similarly, Part D prescription costs have declined steadily, from $4,246 to $1,256. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.